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Re: CfC: Close ISSUE-206: meta-generator by Amicable Resolution

From: Henri Sivonen <hsivonen@iki.fi>
Date: Thu, 2 Aug 2012 11:09:31 +0300
Message-ID: <CAJQvAudSNiHDmR6NKPrsVC6FdGZ6cEzPiT+2WREWTeAhy0tdDA@mail.gmail.com>
To: "Michael[tm] Smith" <mike@w3.org>
Cc: Sam Ruby <rubys@intertwingly.net>, "Edward O'Connor" <eoconnor@apple.com>, "public-html@w3.org WG" <public-html@w3.org>, HTML Accessibility Task Force <public-html-a11y@w3.org>
On Thu, Aug 2, 2012 at 10:04 AM, Michael[tm] Smith <mike@w3.org> wrote:
>   C. Make the default validator behavior be that if a document contains any
>      instances of img elements that have the relaxed/incomplete attribute
>      (or whatever the name ends up as), emit a single warning per document:
>        Warning: This document contains at least one "incomplete" attribute,
>        which indicates it may have images that lack text alternatives. To
>        see error messages showing the locations of those images, use the
>        "Show error messages for img elements with "incomplete" option.
>    That would ensure that users are always alerted to the presence of the
>    attribute, by being shown that warning message.

But alerting users is what triggers the behavior in (some) markup
generator developers that we're trying to avoid triggering! I expect
that the kind of the markup generator developers who wanted to silence
HTML4 validators with alt="" would want to make this warning go away,
too, so I expect this proposal would not yield a worthwhile benefit
compared to going back to the HTML4 situation but would add complexity
on the way. That is to say, I think this compromise is worse than
either Ted's proposal or making validators whine about the absence of
the alt attribute as with HTML4.

Henri Sivonen
Received on Thursday, 2 August 2012 08:10:28 UTC

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